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Non-invasive ICP Monitoring by Auditory System Measurements

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Signal Processing in Medicine and Biology

Abstract

Intracranial pressure (ICP) monitoring is a standard diagnostic tool for various neurological conditions. Elevated ICP can complicate the pre-existing clinical disorders and can result in headaches, nausea, vomiting, obtundation, seizures, and even death. This monitoring is typically accomplished using intracranially placed pressure transducers, which although reasonably accurate, carry risks of infection and hemorrhage. Another drawback is that invasive techniques necessitate surgical expertise. Hence, an alternative non-invasive ICP monitoring approach would be highly desirable, especially if the method could be a rapid, reliable, simple-to-use, and easily interpretable.

This chapter focuses on non-invasive approaches to ICP monitoring linked to the auditory system. Mechanical coupling between the brain’s subarachnoid space and perilymphatic space of the ear has allowed assessing ICP from auditory measurements. Measurements of tympanic membrane displacement, tympanometry, and otoacoustic emissions are the primary approaches of non-invasive ICP detection that stemmed from the auditory system. We have summed up the evaluation, development, limits, and current state of the art of these methods. More investigations and studies are needed to investigate the use of the non-invasive techniques in clinical settings.

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Authors and Affiliations

  1. Biomedical Acoustics Research Laboratory, University of Central Florida, Orlando, FL, USA

    R. Dhar, R. H. Sandler, K. Manwaring, J. L. Cosby & H. A. Mansy

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  1. R. Dhar
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  2. R. H. Sandler
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  3. K. Manwaring
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  4. J. L. Cosby
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  5. H. A. Mansy
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Correspondence to R. Dhar .

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  1. ECE, Temple University, Philadelphia, PA, USA

    Iyad Obeid

  2. ECE, Temple University, Philadelphia, PA, USA

    Joseph Picone

  3. Tandon School of Engineering, New York University, Brooklyn, NY, USA

    Ivan Selesnick

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Dhar, R., Sandler, R.H., Manwaring, K., Cosby, J.L., Mansy, H.A. (2023). Non-invasive ICP Monitoring by Auditory System Measurements. In: Obeid, I., Picone, J., Selesnick, I. (eds) Signal Processing in Medicine and Biology. Springer, Cham. https://doi.org/10.1007/978-3-031-21236-9_5

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